9569results about "Gas current separation" patented technology

The invention relates to the technical field of screening, in particular to a dynamic sorting method and system based on multistage screening and airflow compensation. The method comprises the steps that 1, space phase screening pretreatment is conducted, specifically, in a rotary type multidirectional screening channel, white rice is made to rotate through a flow guide structure, the included angle between the long axis direction of rice grains and the long edge of a screening hole is obtained in real time, and the rotating angular speed of a screen is dynamically adjusted according to the included angle; 2, mass-airflow coupling sorting is carried out; step 3, performing deformation feedback optical sorting; 4, energy field cooperative control; and 5, dynamic convergence optimization: collecting a screen mesh pore passing rate, a rice grain group distribution entropy value and system total energy consumption power, constructing a state space, and adjusting vibration frequency, airflow pressure and light intensity parameters by adopting a stability judgment algorithm. According to the method, the screening precision is improved, the energy consumption is reduced, the production efficiency is improved, and the method has remarkable practical application value for the grain processing industry.

The invention relates to the technical field of powder concentrator control, in particular to an unpowered powder concentrator air volume control method and system, which reduce the time and frequency of shutdown adjustment, improve the continuity and stability of a production line and finally improve the overall production efficiency through real-time and dynamic control. The method comprises the following steps: collecting a plurality of material grading samples obtained by grading and powder selecting of an unpowered powder selecting machine; based on preset material grading target features, target deviation feature extraction is carried out on each material grading sample, and a material grading deviation vector corresponding to the collection time is obtained; obtaining material grading deviation vectors at a plurality of collection times, and arranging the material grading deviation vectors according to a time sequence to obtain a material grading deviation matrix; and inputting the material grading deviation matrix into a pre-constructed powder concentrator grading precision evaluation model to obtain a material grading precision index corresponding to the unpowered powder concentrator.

The present invention relates to the technical field of construction waste treatment. Provided is an on-site intelligent sorting method for construction waste. The method comprises: S10, identifying waste components, and quantifying the proportion of inert material in construction waste; S20, by means of a computer vision method, acquiring visual difference features between the inert material and non-inert material; S30, performing mechanical screening, wherein the construction waste is screened by means of a mechanical screening module; S40, on the basis of precise sorting by a robot, performing detection on waste on a conveyor belt by means of waste detection driven by machine vision, then performing waste positioning, and, according to the results of waste detection and positioning, performing accurate sorting by using multiple robotic arms. The advantages of the present invention comprises: the described method is suitable for compact construction site scenes, the required space for installation and deployment is small, and an intelligent solution is provided for construction waste classification at compact sites.

The invention discloses a dynamic fluidized bed system and a dynamic fluidized separation method, belongs to the technical field of fluidized particle separation system measurement, and aims to solve the problem of poor detection precision of a mixed separation state of pulverized coal in a separation process in the prior art. In the dynamic fluidized bed system, a pressure acquisition unit acquires pressure signals at different positions of a bed layer in the vertical direction and transmits the pressure signals to a controller, the controller receives the pressure signals, calculates pressure difference signals, converts the pressure difference signals into density signals, and processes the density signals to generate a Hilbert map of particles in the bed layer; and judging whether the bed layer is in a mixed state or a separated state according to the Hilbert spectrum. The method can be used for dynamic fluidized separation of raw coal.

The invention relates to the technical field of feed screening devices, and particularly discloses a livestock feed screening device which comprises a rotary vibration screen main body, a discharge port and a screen. The device further comprises a feeding hopper. A collection box; a detection mechanism; an adjusting mechanism; according to the livestock feed screening device, the discharging amount of the multiple discharging ports in the unit time is detected through the arranged detection mechanism, and when the detection mechanism detects that the discharging amount of the discharging ports in the unit time is reduced, the falling speed of feed in the feeding hopper is adjusted through the adjusting mechanism; the screening efficiency is affected by accumulation of a large amount of feed on the screens due to more feed and less discharge in the spin-vibration screen main body, and the carding mechanisms respectively comb the screens to prevent feed particles from blocking meshes of the screens to affect the screening efficiency, so that the labor amount of workers is reduced, the workers do not need to stay near the spin-vibration screen main body for a long time, and the working efficiency is improved. And dust generated by vibration is prevented from influencing the health of workers.

According to the powder winnowing device, the draught fan is arranged to serve as an air source, the roughing bin connected with the draught fan is arranged to preliminarily sort large particles in materials so as to improve the separation degree of follow-up materials, the sorting bin connected with the roughing bin is arranged, and the materials obtained after roughing are transferred into the sorting bin to be sorted through separation; finally, the separated airflow is discharged into a cyclone separator to separate dust, the separated gas is circulated into a fan, through cooperative use of the equipment, the negative electrode material is subjected to wind separation, the separated airflow is circulated into the fan to repeat the winnowing process, and the device has the characteristics that the separation effect is improved, and the device is suitable for popularization and application. In addition, due to the fact that winnowing air is recycled, the defects of material waste and dust pollution caused by the fact that fine particles are discharged along with airflow in the traditional winnowing process are overcome.

The invention relates to the field of black powder aluminum removal, in particular to equipment and system for removing aluminum through airflow separation after black powder primary processing, and the equipment comprises a primary screening mechanism which is used for primary screening treatment of black powder and aluminum powder; the sorting mechanism is used for finely screening the black powder and the aluminum powder by utilizing airflow; the bottom of the primary screening mechanism is fixedly connected with a support and a circulating pipe, the outer side of the support is fixedly connected with the sorting mechanism, and the outer side of the sorting mechanism is fixedly connected with the circulating pipe. A fan is fixedly connected to the side, away from the sorting mechanism, of the circulation pipe, a control terminal is fixedly installed at the top of the fan, and the aluminum removal equipment and system for sorting through airflow after primary processing of infrared sensing black powder are fixedly installed at the top of an inner cavity of the circulation pipe. And the internal space of the screening box can be compressed, and dust is prevented from flying all around in the stacking or discharging process of the mixture.

The invention relates to high-adaptability jet mill equipment, which comprises a jet mill body, which comprises a sorting cavity and a crushing cavity which are communicated up and down; the crushing mechanism comprises a plurality of crushing nozzles which are uniformly distributed; the grading wheel is arranged in the sorting cavity, and one end of the grading wheel is in transmission connection to the output shaft end of the corresponding grading motor; the unblocking mechanism comprises a supporting ring plate fixedly connected to the inner side of the middle of the spacer and a supporting shaft fixedly connected to the center of the fixing plate, a supporting piece is installed at the end of the supporting shaft through a one-way bearing, and the outer end of the supporting piece movably abuts against the supporting ring plate; and the outer end part of the supporting piece is fixedly connected with an elastic shifting piece of which the two sides extend to the space between the two adjacent spacers. The grading wheel can be effectively and automatically cleaned and discharged, so that the grading wheel is effectively prevented from being obviously blocked for a long time, materials meeting the particle size can be continuously, effectively and smoothly output, and then the crushing efficiency of the materials is assisted to be improved.

The present invention relates to the technical field of disposal of waste. Disclosed is a sorting and screening device for harmless disposal of waste, comprising a box body, a feed port being formed in the top of the box body; a transmission mechanism is provided on the right side of the box body; a separation mechanism is provided on the rear portion of the box body; a discharge port is formed in the left side of the box body; a first roller, a second roller, a flattening roller, a first crushing roller and a second crushing roller are all provided on an inner wall of the box body; the surface of the first roller is in driving connection with the surface of the second roller by means of a conveyor belt; two fans are provided on the inner right wall of the box body; a screen plate is provided on the inner wall of the box body. The present invention can automatically sort waste by means of the transmission mechanism, so as to reduce the labor intensity of workers and improve working efficiency, and simultaneously sorts multiple types of waste by means of the transmission mechanism and the separation mechanism without the need for sorting treatment in multiple procedures, reducing investment costs.

The invention relates to the technical field of screening and collecting equipment, and particularly discloses a magnesium ingot cutting material collecting device which comprises a magnesium chip collecting box, a screening mechanism and a magnesium powder collecting assembly, the screening mechanism is used for separating magnesium chips from magnesium powder and comprises a box body, a screen, a vibration assembly and an air blowing assembly, and a material inlet and a magnesium chip outlet are formed in the box body; a magnesium chip and magnesium powder mixed material can fall on the screen when being conveyed into the box body, and the screen can drive magnesium chips to move towards the magnesium chip outlet when vibrating; the air blowing assembly is used for outputting upward separation airflow, the separation airflow can carry magnesium powder to move upwards when passing through the screen, so that the magnesium powder is separated from the magnesium chips, the magnesium powder collecting assembly is located above the screen, and the separation airflow can carry the magnesium powder to enter the magnesium powder collecting assembly. During use, magnesium chips and magnesium powder can be separated and collected, so that fire or explosion possibly caused by static electricity, friction or high temperature during storage due to the fact that the magnesium chips contain the magnesium powder is prevented.

The utility model relates to the technical field of machine-made sand processing, and particularly discloses a machine-made sand multi-stage screening control system which comprises a shell provided with an air inlet, an air outlet, a feeding port and a discharging port, the feeding port is formed in the upper portion of the shell, and the discharging port is formed in the lower portion of the shell. The device is characterized by further comprising a controller, a wind speed sensor, an adjusting air door, a fan and a plurality of flow guide plates. The wind speed sensor is used for measuring the airflow speed of the air inlet and installed on the air inlet, and the output end of the wind speed sensor is connected with the input end of the controller. The flow guide plates are used for dispersing airflow in the vertical direction of the air inlet, the multiple flow guide plates are transversely installed in the height direction of the air inlet, the width of gaps formed by the multiple flow guide plates and the air inlet is gradually increased from top to bottom, and the flow guide plates can rotate in the vertical direction through the flow guide plate driving mechanism. The input end of the guide plate driving mechanism is connected with the output end of the controller; the adjusting air door is used for opening and closing the air outlet and installed on the air outlet, and the input end of the adjusting air door is connected with the output end of the controller. The fan is used for forming airflow flowing from the air inlet to the air outlet in the shell, and the input end of the fan is connected with the output end of the controller; the controller is used for controlling opening and closing of the guide plate driving mechanism according to the airflow speed, controlling opening and closing of the fan and controlling opening and closing of the adjusting air door. According to the scheme, the problem that the multi-stage distinguishing effect of sand is poor due to the fact that airflow control is not accurate enough during multi-stage screening of existing machine-made sand can be solved.

The invention provides a multi-stage screening device facilitating material taking and used for hotpot condiment raw material processing, and belongs to the technical field of hotpot condiment raw material processing. Comprising a screening box, a plurality of screening plates which are sequentially arranged in the screening box from top to bottom and can synchronously and vertically vibrate, discharging openings formed in the centers of the screening plates, and material guiding devices which are arranged below the screening plates and communicate with the discharging openings. The material guiding device comprises a first material guiding pipe vertically arranged at the bottom end of the discharging port, a second material guiding pipe obliquely arranged at the discharging end of the first material guiding pipe, an opening formed in the side wall of the screening box, a collecting box arranged outside the opening and a sleeve plate arranged outside the second material guiding pipe in a sleeving mode. The first telescopic device is arranged between the top end of the sleeve plate and the top end of the opening, and the second telescopic device is arranged between the bottom end of the sleeve plate and the bottom end of the opening; by means of the device, materials retained on each layer of screening plate can be guided out, and the purpose of multi-stage screening and material taking is achieved.

The invention discloses a double-roller spin vibration screen with an anti-blocking function, and relates to the technical field of grain screening, the double-roller spin vibration screen comprises a support, a flow dividing channel is cooperatively installed on the upper side of the support, a feeding bin is cooperatively installed on the upper side of the flow dividing channel, and a first screening box and a second screening box are cooperatively installed on the support; a screening plate is cooperatively installed in the second screening box, a roller frame is rotatably and cooperatively installed in the first screening box, a first rotary screening part is cooperatively installed on the roller frame, the first rotary screening part comprises a first screening cylinder, a first fixing plate and a second fixing plate, the first screening cylinder is cooperatively installed on the roller frame, and the second screening cylinder is cooperatively installed on the roller frame. And a plurality of first through holes are formed in the first screening cylinder. The section of the first through hole is in a lightning shape, and by means of the structure, even if straw is clamped in the first through hole, the cleanliness of the first through hole is improved due to the fact that the structure of the first through hole cannot penetrate through the first through hole.

The invention relates to the technical field of winnowing equipment, in particular to a multistage winnowing device for calcium powder production and a winnowing method thereof.The multistage winnowing device comprises a winnowing box, a first fan and a second fan, and the first fan and the second fan are installed on the outer side wall of the winnowing box and can blow air into the winnowing box. According to the scheme, through the arrangement of a plurality of pushing rod bodies, when calcium powder falls onto a sieve plate and is ground by a grinding roller for powder pressing, the grinding roller continues to move to make contact with a lower pressing block and abut against the lower pressing block downwards, and in the moving process of the lower pressing block, the pushing rod bodies push the ground calcium powder, so that the calcium powder is crushed, and the calcium powder is crushed. And the position which is not completely ground or does not fall through the sieve holes after being ground is changed, so that subsequent calcium powder processing is facilitated, and the calcium powder processing efficiency is improved.

The invention discloses a grading type film impurity crushing and separating device, which comprises a residual film crushing device, which comprises a film impurity feeding hopper, a primary crushing mechanism, a secondary fine crushing mechanism and an angle-adjustable discharge hole mechanism which are connected in sequence; the primary crushing mechanism is used for primarily cutting the waste plastic film residues, the cut waste plastic film residues enter the secondary fine crushing mechanism for secondary cutting, the secondary fine crushing mechanism is also used as a fan, and the waste plastic film residues subjected to secondary cutting are blown out through the angle-adjustable discharge port mechanism according to a preset angle; the waste plastic film residues blown out by the angle-adjustable discharging port mechanism comprise high-density sundries, coarse-grained plastic film residues and fine-grained plastic film residues, and the mixed soil collecting device, the second-stage receiving hopper and the third-stage receiving hopper of the sorting device receive and collect the corresponding components at the corresponding distances correspondingly and are collected through the corresponding conveying and collecting devices. The device can effectively collect and separate crushed sundries and residual films so as to realize resource utilization and grading treatment.

The utility model discloses a chemical raw material multi-layer screening and grading device, which belongs to the technical field of chemical raw material screening treatment, and adopts the technical scheme that the chemical raw material multi-layer screening and grading device comprises a screening box, the top of the screening box is communicated with a hopper, and a scattered screening mechanism is arranged in the screening box. When the chemical raw materials are added into the screening box through the hopper, the chemical raw materials can fall onto the carrying net in the disc frame, at the moment, the motor drives the shaft rod to drive the scattering rods to rotate, the chemical raw materials which are extruded and caked for a long time can be effectively scattered, large blocks are prevented from hindering a subsequent screening path, and the scattered chemical raw materials are prevented from falling downwards; and then the raw materials are subjected to multi-layer screening through the primary screening structure driven by the shaft rod, enter the material guiding opening and are discharged into the re-filtering structure to be treated again, so that normal screening of all stages of screens is ensured, the screening efficiency is remarkably improved, accurate grading of the chemical raw materials with different particle sizes is ensured, and the screening quality is optimized.

The invention relates to efficient jet mill equipment which comprises a jet mill body comprising a sorting cavity and a crushing cavity which are communicated up and down; the crushing mechanism comprises a plurality of crushing nozzles arranged on the lower side of the crushing cavity according to the height and a grinding cutter head; the grading wheel is arranged in the sorting cavity, the grading wheel comprises a fixing plate connected to the output shaft end of a grading motor, and a plurality of corresponding spacers are fixedly connected to the periphery of the fixing plate at intervals; the unblocking mechanism comprises a supporting ring plate fixedly connected to the inner side of the middle of the spacer and a supporting shaft fixedly connected to the center of the fixing plate, a supporting piece is installed at the end of the supporting shaft through a one-way bearing, and the outer end of the supporting piece movably abuts against the supporting ring plate; the outer end of the supporting piece is fixedly connected with an elastic shifting piece with the two sides extending to the position between every two adjacent partition plates. The material crushing device can obviously improve the material crushing effect and crushing efficiency.

The invention discloses a waste mulching film cutting and breaking device which is used for cutting and breaking bundled waste mulching films and comprises a waste mulching film of a cutting mechanism, a waste mulching film of a primary breaking mechanism, a waste mulching film of a secondary fine breaking mechanism and a waste mulching film of an angle-adjustable discharge port mechanism which are sequentially connected. The waste mulching film of the bag cutting mechanism is in a funnel shape, and a plurality of cutter head cutting assemblies are arranged on the side wall of the bag cutting mechanism and used for cutting and packaging the oppositely-bundled waste mulching film. The waste mulching film of the primary crushing mechanism is used for primary cutting of the cut waste mulching film, the cut waste mulching film enters the waste mulching film of the secondary fine crushing mechanism for secondary cutting, and the waste mulching film of the secondary fine crushing mechanism serves as a fan. And the waste mulching film subjected to secondary cutting is blown out according to a preset angle through an angle-adjustable discharging opening mechanism. The waste mulching film bale cutting and crushing device can effectively solve the problems that a blade of an original device is heated and adheres to the blade, cutting is not smooth, and blockage is prone to occurring, and meanwhile disordered feeding of materials is achieved.

The utility model discloses a high-precision airflow classifier, and relates to the technical field of sorting. The high-precision airflow classifier comprises an airflow classifier shell and a classification device, the classification device comprises a feeding port, the feeding port is fixedly connected to the upper end of the airflow classifier shell and extends into the airflow classifier shell, the upper end of the feeding port is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a rotating shaft; the lower end of the rotating shaft is fixedly connected with a dispersing disc, the surface of the dispersing disc is fixedly connected with baffles, the surface of the dispersing disc is rotationally connected with blades, and resin raw material particles collide with the baffles and the blades through the centrifugal effect of rotation of the dispersing disc, so that the resin raw materials are scattered, and the resin raw materials are evenly distributed in the airflow classifier shell; the uniform distribution ensures that the resin raw materials can be subjected to uniform airflow and centrifugal force, so that the stability and precision of the grading process are improved, and the grading efficiency of the device is improved.

The invention discloses a magnesium oxide production screening device capable of being pretreated and a screening method of the magnesium oxide production screening device, and relates to the technical field of magnesium oxide processing.The magnesium oxide production screening device comprises an airflow screening mechanism and a negative pressure fan installed on one side of the interior of the airflow screening mechanism, and a crushing mechanism is arranged on one side of the top of the airflow screening mechanism; an opening and closing support is arranged at the top of the crushing mechanism, the airflow screening mechanism comprises a screening support, a rotating bearing is rotationally connected to one side of the interior of the screening support, a discharging opening is fixedly formed in the bottom of the screening support, and a conveying pipe is fixedly installed on the side, close to the rotating bearing, of the screening support; the negative pressure fan is matched with the spiral conveying blade to generate vortex, the first screening barrel and the second screening barrel are used for screening magnesium oxide, and the mesh holes of the first screening barrel and the second screening barrel are staggered, so that the sizes of the mesh holes of the first screening barrel and the second screening barrel are changed; impurities with different particle sizes and uncrushed magnesium oxide can be screened.

A sieve plate of an upper-layer sieve lattice of the specific gravity grading stoning machine is provided with a large-hole area, a small-hole area, a reverse blowing area and a stone falling area, the aperture of sieve holes of the large-hole area is far larger than the grain size of grains so that heavy grains can fall conveniently, accumulation of grain materials on the sieve plate is reduced, and the aperture of the sieve holes of the small-hole area is smaller than the grain size of the grains so that the grain materials can fall conveniently. And in the reverse blowing area, heavy grains ascending along with the stones are reversely blown back to the large hole area through reverse blowing, excessive heavy grains are prevented from entering the stone falling area, material accumulation in the stone falling area is avoided, stone falling holes in the stone falling area are oblong holes, falling of the stones is facilitated, and therefore the stone removing and grading effects are effectively improved. The partition plates are arranged in the air suction opening and the upper screen cavity of the specific gravity grading stoning machine, the partition plates divide the inner cavity of the air suction opening and the upper screen cavity into the two air suction channels, and the air force of the two air suction channels is adjusted through the air adjusting turning plates, so that the air suction amount is reasonably distributed on the screen surface of the upper-layer screen lattice, and the material grading and impurity removing effect is improved.

The invention discloses an anti-blocking classifying screen device and method, and particularly relates to the field of rice screening equipment.The anti-blocking classifying screen device comprises a screening tank, an impurity removal assembly is arranged at the top end of the screening tank, the impurity removal assembly comprises an impurity removal tank and an air blower, and the impurity removal tank is installed at the top end of the screening tank through fixing bolts; an impurity removal screen is installed at the lower position in the impurity removal tank through bolts, and a guide plate matched with the impurity removal screen is fixedly connected to the position, located below the impurity removal screen, in the screening tank; in the rice screening process, rice can be prevented from being too humid and adhering, so that the blocking probability of the rice is reduced, meanwhile, the situation that the surface of the rice is too humid and contaminated with much dust can be prevented, the processing efficiency is improved, blocking caused by too fast discharging or concentrated discharging is reduced, and the use effect is conveniently improved; the rice subjected to impurity removal can be classified and screened according to the particle size, and subsequent production and preparation are facilitated.

The utility model provides a grinding device for activated carbon production, which comprises a machine body, the top of the machine body is provided with a feed inlet, a grinding mechanism is arranged in the machine body, a screen is movably arranged below the grinding mechanism through a reciprocating mechanism, the bottom of the machine body is provided with a discharge outlet, the discharge outlet is arranged at the bottom of the screen, and the feed inlet is arranged at the top of the machine body. And a cleaning mechanism is arranged on the surface of the screen. The screen is movably arranged in the machine body through the reciprocating mechanism, so that the screen can horizontally move back and forth in the machine body, the contact area of activated carbon and the screen is increased, and the utilization rate of the screen is increased; and the brush is driven to make crank connecting rod motion in the reciprocating motion process of the screen, meshes of the screen can be cleaned on the premise that normal screening of the screen is not affected, activated carbon particles are prevented from blocking the meshes, and therefore the screening efficiency of the screen is improved.

To provide a method for accurately predicting a relationship between a particle diameter and a recovery rate of particles in particle classification using a classifier.SOLUTION: A classification result prediction method includes the steps of: acquiring a first learned model having machine-learned on the basis of first device conditions of a classifier and a result of fitting, with a function, a relationship between a particle diameter and a recovery rate of particles in classification of particles under the first device conditions using the classifier; and inputting second device conditions of the classifier to the first learned model and estimating, from an obtained output result, the relationship between the particle diameter and the recovery rate of particles under the second device conditions.SELECTED DRAWING: Figure 1

The invention discloses an integrated double-drum spin-vibration screen applied to a grain processing production line, and belongs to the technical field of grain screening and impurity removal. According to the scheme, a cleaning mode of integrating a double-drum cleaning screen and a spin-vibration screen is adopted, the advantages that a drum screen is used for cleaning large impurities without blockage and the spin-vibration screen is used for grading and selecting are integrated, and a traditional drum screen is improved; the inner screen drum and the outer screen drum which are arranged in an inner-outer sleeving mode are arranged, the inner screen drum is used for screening large impurities, grains are filtered out through the discharging holes and conveyed downwards along the outer screen drum, the interior of the outer screen drum is divided into the multiple sorting spaces through the multiple material passing assemblies, the material passing assemblies are used for opening and closing the material passing openings, on one hand, the sorting time of each sorting space is prolonged, and on the other hand, the sorting efficiency is improved; the defect that a traditional drum screen is in a straight-through type and is too fast in screening is overcome, the impurity removal rate is improved, on the other hand, the double drum screens which are arranged in an inner-outer sleeving mode can conduct synchronous segmented independent sorting operation on impurities of various grades, and the double-drum screen is suitable for continuous processing of a grain processing production line.

The invention relates to batch spheroidizing equipment for fine-particle-size graphite. The batch spheroidizing equipment comprises a shell with a spheroidizing cavity, a grinding disc structure and a grading cage type impeller are arranged in the spheroidizing cavity, and the grading cage type impeller comprises a rotating shaft, a top frame, a chassis and a shunting fence; the rotating shaft is fixedly connected with the chassis, and the lower end of the rotating shaft extends out of the chassis and is connected with an auxiliary blade assembly and a flow guide part; the auxiliary blade assembly comprises a plurality of auxiliary blades and can enable airflow to form vortex; an annular grading flow guide assembly is arranged at the position, close to the inner wall of the spheroidizing cavity, of the periphery of the grading cage type impeller, the grading flow guide assembly comprises a plurality of flow guide blades arranged in the circumferential direction at intervals, and the plate face of each flow guide blade inclines relative to the corresponding radial direction in the spheroidizing cavity and is the same in inclination direction. According to the characteristics of the fine-particle-size graphite, the problems that in the existing fine-particle-size graphite spheroidizing process, the flow is complex, energy consumption is high, production efficiency is low, and product quality is low are effectively solved.

The invention discloses a comprehensive treatment method of lotus seeds, and belongs to the technical field of deep processing of agricultural products. The method comprises the following steps: collecting dry shell lotuses and sending to step S2; s2, grading the lotus seeds with the dry shells, shelling the lotus seeds with a shelling machine, gathering the lotus seeds, winnowing the lotus seeds, and sending the lotus seeds to the step S3; s3, carrying out color sorting by adopting a color sorter, and sending qualified red lotus seeds to step S4; the shelled lotus seeds are sent to the step S2; the semi-finished product is sent to step S5; s4, the red lotus seeds are manually selected, and red lotus seed products are obtained; s5, grading the semi-finished product, removing cores, gathering, screening out lotus cores to obtain core-removed red lotus seeds, and respectively sending the core-removed red lotus seeds to step S6 and / or S7; s6, screening and manually selecting the red lotus seeds without cores to obtain red lotus seed products without cores; s7, grading the red lotus seeds without the cores, grinding the red lotus seeds, collecting the red lotus seeds and sending the red lotus seeds to the step S8; and S8, performing color sorting on the polished lotus seeds, and then performing screening and manual selection to obtain white lotus seed products.

The invention discloses a diaphragm sorting device for waste lithium battery recycling, and relates to the technical field of diaphragm sorting, the diaphragm sorting device for waste lithium battery recycling comprises a shell, a screening assembly, a winnowing assembly and an adsorption separation assembly.Large particles, medium particles and light materials are screened out through small screen holes, medium screen holes and large screen holes in a screen, and when the screen reciprocates up and down, the large particles and the medium particles are separated; the two symmetrically-arranged baffles are driven by the connecting rod to conduct continuous opening and closing actions, periodic opening and closing are achieved, the opening and closing frequency of the baffles is synchronous with the vibration frequency of the screen, dynamic control over falling materials is formed, it can be ensured that the materials falling every time are single-layer particles, multi-layer accumulation is avoided, and when the single-layer materials fall, the particles are evenly distributed in the vertical direction, and the quality of the particles is improved. Air flow can vertically act on each particle conveniently, the situation that bottom layer particles in multiple layers of materials cannot be effectively separated due to insufficient air flow penetration is avoided, and the screening precision is remarkably improved through linkage control of screen vibration and the baffles.

The invention relates to a negative pressure winnowing device, which belongs to the technical field of seed screening, and comprises a negative pressure unit, a suction unit and a scraping unit, the negative pressure unit comprises a negative pressure device, a dust collecting barrel arranged on the negative pressure device, a connecting pipe arranged on the dust collecting barrel, a valve arranged on the connecting pipe and a communicating pipe arranged on the valve; the lower end of the communicating pipe is arranged in the first dust collection cylinder or the third dust collection cylinder in a protruding mode, when the suction force is large, airflow vortexes exist in the first dust collection cylinder or the third dust collection cylinder, light empty shells can be sucked into the communicating pipe, heavy seeds stay on the outer side of the communicating pipe, and therefore the seeds can be sucked into the first dust collection cylinder or the third dust collection cylinder. Direct suction can be avoided, wrong suction is reduced, and waste of seeds is avoided. And a convex pipe is arranged in the dust collection cylinder. The device is simple in structure, can be quickly disassembled, and can be selected according to use requirements.

The invention discloses a secondary treatment process of cigarette butt recovery treatment waste, which comprises the following steps of: based on the characteristic that the quality of cigarette butts is increased due to dampness, carrying out coarse classification on the collected cigarette butts by utilizing a winnowing machine; installing a camera on the conveying device, connecting the camera with an image recognition system, and carrying out fine classification according to the characteristics of the cigarette butts; effective materials and chemical components of the cigarette butts are extracted by means of physical crushing and chemical extraction; compared with the prior art, the method has a relatively complete cigarette end pretreatment and harmful substance treatment process, an image analysis model is formulated and updated in time, accurate and effective data support is provided for cigarette end classification, a cigarette end classification mode and a key cigarette end locking target are optimized, the time cost of cigarette end classification is greatly reduced, and the cigarette end classification efficiency is improved. Corresponding equipment and effective component extraction materials are selected according to different types of cigarette butts, so that the utilization rate of the equipment and the materials can be increased.